摘要
1.IntroductionInthispaperwedealwiththeexistenceofperiodicsolutionstothedifferential-delayequations(DDEs)oftheformwherewesupposeinwhatfollowsthatexist.(itisallowedthatshouldbeincreasing.)WehaveLemmaSuppose(H)holdsandn1isaninteger.Ifthereexistsanintege...
出版日期
1999年02月12日(中国期刊网平台首次上网日期,不代表论文的发表时间)